diff --git a/src/ReadTimeManager.php b/src/ReadTimeManager.php
index e5745cc..0ddaf16 100644
--- a/src/ReadTimeManager.php
+++ b/src/ReadTimeManager.php
@@ -19,6 +19,13 @@ class ReadTimeManager {
    */
   protected $entityTypeManager;
 
+  /**
+   * Database connection.
+   *
+   * @var \Drupal\Core\Database\Connection
+   */
+  protected $connection;
+
   /**
    * Config Factory Service Object.
    *